diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/wordsize-64/s_llround.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/wordsize-64/s_llround.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_llround.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_llround.c deleted file mode 100644 index 7020fd0156..0000000000 --- a/sysdeps/ieee754/dbl-64/wordsize-64/s_llround.c +++ /dev/null @@ -1,85 +0,0 @@ -/* Round double value to long long int. - Copyright (C) 1997-2021 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#define lround __hidden_lround -#define __lround __hidden___lround - -#include <fenv.h> -#include <limits.h> -#include <math.h> -#include <sysdep.h> - -#include <math_private.h> -#include <libm-alias-double.h> -#include <fix-fp-int-convert-overflow.h> - -long long int -__llround (double x) -{ - int32_t j0; - int64_t i0; - long long int result; - int sign; - - EXTRACT_WORDS64 (i0, x); - j0 = ((i0 >> 52) & 0x7ff) - 0x3ff; - sign = i0 < 0 ? -1 : 1; - i0 &= UINT64_C(0xfffffffffffff); - i0 |= UINT64_C(0x10000000000000); - - if (j0 < (int32_t) (8 * sizeof (long long int)) - 1) - { - if (j0 < 0) - return j0 < -1 ? 0 : sign; - else if (j0 >= 52) - result = i0 << (j0 - 52); - else - { - i0 += UINT64_C(0x8000000000000) >> j0; - - result = i0 >> (52 - j0); - } - } - else - { -#ifdef FE_INVALID - /* The number is too large. Unless it rounds to LLONG_MIN, - FE_INVALID must be raised and the return value is - unspecified. */ - if (FIX_DBL_LLONG_CONVERT_OVERFLOW && x != (double) LLONG_MIN) - { - feraiseexcept (FE_INVALID); - return sign == 1 ? LLONG_MAX : LLONG_MIN; - } -#endif - return (long long int) x; - } - - return sign * result; -} - -libm_alias_double (__llround, llround) - -/* long has the same width as long long on LP64 machines, so use an alias. */ -#undef lround -#undef __lround -#ifdef _LP64 -strong_alias (__llround, __lround) -libm_alias_double (__lround, lround) -#endif |